<!DOCTYPE html>
<html>
<head>
    <title>Simple app</title>
    <script type="text/javascript" src="lib/angular.js"></script>

</head>
<body ng-app ng-init="name='world'">
<div>
    <h1>Hello {{ name }}!</h1> // ng-init 初始化model
</div>

</body>
</html>